Geoffrey I, count of Penthièvre (1040-1093) (1040–1093) Parents Odo, Count of Penthièvre Agnès de Cornouaille Children Eudes de Penthièvre, Comte de Porhoët Siblings Stephen, Count of Trégor Brian of Brittany Alan Rufus Alan the Black Ribald FitzOdo de Penthièvre, 1st Lord Middleham and Spennithorne Bardolph, Lord of Ravenswath